Speaker enclosure



FIG. 1 is a perspective view of a speaker enclosure, shown in a reduced scale, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The broken lines are included to show unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a speaker enclosure, as shown and described. 